package com.j.lemon.learn.basic.innerclass;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;

import java.util.*;

/**
 * @Author lijunjun
 * @Date 2019-02-14 16:30
 * @Description
 */
public class TestClass {
    public static void main(String[] args) {
        List<Map<String,String>> list = new ArrayList<>();

        Map<String,String> map = new LinkedHashMap<>();
        map.put("b","2");
        map.put("a","1");



        for(String aaa : map.keySet()){
            System.out.println(aaa);
        }
    }
}
